.Questionnaire on Smartphone Usage of College StudentsDear students, in order to understand the smartphone usage of college students, we have prepared this questionnaire. This questionnaire is only for data analysis, and will not disclose your personal information, please rest assured. Thanks for cooperation. Sex: male femaleQ1: Whats the brand of your smart phone?A. Apple B. Sumsung C. MX D. Vivo E. Huawei F. Mini G. HTC H. Lenovo I. othersQ2: Whats the pr
